
The Hera CQR uses a carbine buffer tube, which makes the installation process very easy… Take your current stock off your carbine buffer and take the pistol grip off too. Then slide the carbine buffer tube into the CQR stock. Some shooters only manage to slide the carbine buffer tube half the way in.
Full Answer
What is the Hera CQR?
Made of impact-modified polymer, the CQR, in combination with the CQR fore grip, offers the most compact and ergonomic fixed stock system for the AR15 / AR10 platform. Fits standard carbine (Mil-Spec) buffertubes, available in black, tan and green. All HERA polymer products are manufactured on our own injection molds in Lower Franconia.
How do I install the Hera CQR carbine buffer?
The Hera CQR uses a carbine buffer tube, which makes the installation process very easy… Take your current stock off your carbine buffer and take the pistol grip off too. Then slide the carbine buffer tube into the CQR stock. Some shooters only manage to slide the carbine buffer tube half the way in.
How does the Hera CQR compare to Bulgarov’s design?
The only noticeable difference in the design is that the Hera CQR design is not expandable or collapsible like Bulgarov’s design. This is slightly unfortunate, but the Hera does come as standard with a 25 mm spacer pre-installed, which can be easily removed if you prefer.
Is the Hera CQR AR-15 stock legal in California?
There is also a featureless version of the Hera CQR AR-15 Stock System for all you shooters out in California. This is because the state’s gun laws deem it illegal to have pistol grips or thumbhole stocks on AR-15s.

What is the Hera CQR stock?
The Hera CQR AR-15 Stock System keeps your platform lightweight, so it will help with maneuverability, especially in close-quarter combat. You might think that a fixed length of pull is an interesting choice, but once you’ve got the right spacer combination set-in for your build, the buttstock will tuck in very nicely when performing maneuvers.
Why do you need a Picatinny rail on a Hera CQR?
You may be wondering why you would need a Picatinny rail on the underside of this Hera CQR stock? Well, the main reason would be to add a monopod for a more stabilized shooting position, which should provide better accuracy. You simply have to remove a plastic cover to reveal the rail, although this can be a little tricky on your first attempt.
Why is Hera called Hera?
Well, the name Hera comes from ancient Greek mythology. She was the goddess of women, family, marriage, and childbirth. Therefore, the “Hera” in the company’s name might well be to do with family protection and the right to bear arms to do so.
How many mm spacers does a Hera have?
This is slightly unfortunate, but the Hera does come as standard with a 25 mm spacer pre-installed, which can be easily removed if you prefer. There are also 30 mm and 40 mm options that can be purchased separately at very reasonable prices.
Where are Hera arms made?
Hera Arms was created in 2008 in Lower Franconia, Germany. They started by producing innovative shank conversions for the SL8 and the USC. From this experience of shaft building, their Triarii was developed, which is the foundation of their current range of pistol stocks.
Why is the wrap around rear grip so questionable?
This is because it has a tendency to inhibit wrist movement when holding it during maneuvers. As well, having it slung on your torso can feel obstructive at times.
Can you use a CQR stock on a P90?
Even though you can use the CQR stock on its own, it was actually designed to be paired up with an angled foregrip. This attaches to the bottom rail of your handguard. This is what really creates the similar profile and ergonomics of the FN P90.

Who Is Hera Arms?
Hera CQR AR-15 Stock System’S Key Specifications
Stand Out Features
- An ambidextrous P90?
On opening the packaging, what you will notice straight away is how much it looks like a P90, but without the curves. Then you’ll realize that everything featured on one side is also replicated on the other, making this a truly ambidextrous design. You also notice that there are plenty of optio… - Picatinny rail…
You may be wondering why you would need a Picatinny rail on the underside of this Hera CQR stock? Well, the main reason would be to add a monopod for a more stabilized shooting position, which should provide better accuracy. You simply have to remove a plastic cover to reveal the ra…
Performance and Functionality
- The Hera CQR AR-15 Stock System keeps your platform lightweight, so it will help with maneuverability, especially in close-quarter combat. You might think that a fixed length of pull is an interesting choice, but once you’ve got the right spacer combination set-in for your build, the buttstock will tuck in very nicely when performing maneuvers. Also, if you choose to add the ang…
Installation
- The Hera CQR uses a carbine buffer tube, which makes the installation process very easy… Take your current stock off your carbine buffer and take the pistolgrip off too. Then slide the carbine buffer tube into the CQR stock. Some shooters only manage to slide the carbine buffer tube half the way in. If that’s the case, loosen the two top screws on ...
Pros and Cons
- Looking for a few more excellent upgrades for your AR-15?
Then take a look at our comprehensive reviews of the Best AR 15 Hard Cases, the Best 9mm AR15 Uppers, our Best Lube for Ar 15 reviews, the Best AR 15 ACOG Scopes, and the Best AR 15 Cleaning Kityou can buy. You might also enjoy our in-depth reviews of the Lightest AR 15 Handg…
Final Thoughts
- So thanks for joining us for our review of the Hera CQR AR-15 Stock System. And we hope that we’ve covered everything you need to knowto decide if it’s worthy of being included in your next build or modification. All-in-all, one of the biggest selling points to this buttstock is the sci-fi styling and similarities to the FN P90. In fact, we just love how it adds a modern twist to the P90 …